accident
box
business
cleaning
craft
dangerous
dirty
dust
element
employment
factory
fine
flow
gear
hazardous
heavy
hose
industrial
industry
iron
labor
man
manufacture
mask
mass
metal
metallurgy
pan
piece
powder
precautions
prepare
process
production
profession
protection
remove
residue
rust
sandblast
sanding
steel
suit
tank
union
velocity
warehouse
warning
waste
workload
定額
view of a worker wearing a full white protective suit and breathing mask, sand blasting a metal crate hung from a metal beam in the ceiling of an industrial hallの素材 [FY31054029271]
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